<script lang="ts" setup>
import useStore from '@/store';
// import { useIntersectionObserver } from '@vueuse/core';
// import { onMounted, ref } from 'vue';
import HomePanel from './HomePanel.vue';
import { useLazyData } from '@/utils/hooks'

const { home } = useStore()

const target = useLazyData(() => {home.getHotList()})
// const target = ref(null)
// // 在可视区域后在发请求
// onMounted(() => {
//   const { stop } = useIntersectionObserver(target.value, ([{ isIntersecting }]) => {
//     if (isIntersecting) {
//       // 发送请求
//       home.getHotList()
//       // 停止监视
//       stop()
//     }
//   })
// })
</script>
<template>
  <div class="home-new" ref="target">
    <HomePanel title="人气推荐" sub-title="人气爆款 不容错过">
      <!-- <template #right><XtxMore path="/" /></template> -->
      <!-- 面板内容 -->
      <Transition name="fade">
        <ul class="goods-list" v-if="home.hotGoodList.length > 0">
        <li v-for="item in home.hotGoodList" :key="item.id">
          <RouterLink :to="'/goods/'+item.id">
            <img
              v-lazy="item.picture"
              alt=""
            />
            <p class="name ellipsis">{{item.title}}</p>
            <p class="price">{{item.alt}}</p>
          </RouterLink>
        </li>
      </ul>
      <!-- 骨架屏 -->
      <div class="home-skeleton" v-else>
        <div
          class="item"
          v-for="i in 4"
          :key="i"
          :style="{ backgroundColor: '#f0f9f4' }"
        >
          <XtxSkeleton bg="#e4e4e4" :width="306" :height="306" animated fade />
          <XtxSkeleton bg="#e4e4e4" :width="160" :height="24" animated fade />
          <XtxSkeleton bg="#e4e4e4" :width="120" :height="24" animated fade />
        </div>
      </div>
      </Transition>
    </HomePanel>
  </div>
</template>

<style scoped lang="less">
.goods-list {
  display: flex;
  justify-content: space-between;
  height: 406px;
  li {
    width: 306px;
    height: 406px;
    background: #fff;
    .hoverShadow();
    img {
      width: 306px;
      height: 306px;
    }
    p {
      font-size: 22px;
      padding: 12px 30px 0 30px;
      text-align: center;
    }
    .price {
      color: #999;
      font-size: 18px;
    }
  }
}

.home-skeleton {
  width: 1240px;
  height: 406px;
  display: flex;
  justify-content: space-between;
  .item {
    width: 306px;
    .xtx-skeleton ~ .xtx-skeleton {
      display: block;
      margin: 16px auto 0;
    }
  }
}

.fade-enter-active, .fade-leave-active {
  transition: all 1s;
}
.fade-enter-from, .fade-leave-to {
  opacity: 0;
}
</style>